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Initial results from parallel coil operation of the Coaxial Slow Source field reversed configuration device

W.F. Pierce, R.J. Maqueda, R.D. Brooks, R. Farengo1993年被引用 10Nuclear FusionIF 3出版社

The Coaxial Slow Source (CSS) is a device in which 'annular' field reversed configurations (FRCs) (small aspect ratio, elongated, toroidal plasmas with poloidal field only) are formed in the space between coaxial coils carrying toroidal currents. The device is constructed so that the plasma can be translated into a simple cylindrical chamber and re-formed as a conventional FRC. Formation of FRCs on slow time-scales (50-250 mu s) at low loop voltage (87.5-700 V) has been demonstrated. The paper presents initial results from the new parallel configuration device CSSP in which the inner and outer coils are connected in parallel to the capacitor banks. The parallel coil arrangement has significantly reduced the contact of the plasma with the walls and thus the impurity content. Configurations with confinement times of 1o-30 mu s, densities of 3*1021 m-3 and temperatures of 3-20 eV are typical. Results are presented on formation, energy balance, a nondestructive tilt instability and dynamics associated with magnetic tearing

日本語訳

同軸スローソース(CSS)は、同軸コイル間にトロイダル電流を流して形成される「環状」磁場反転配位(FRC)(小アスペクト比、細長いトロイダルプラズマで、ポロイダル磁場のみを有する)を生成する装置である。この装置は、プラズマを単純な円筒チャンバー内に移動させ、従来型のFRCとして再形成できるように設計されている。低速時間スケール(50〜250μs)かつ低ループ電圧(87.5〜700V)でのFRC形成が実証されている。本論文では、内側コイルと外側コイルをキャパシタバンクに並列接続した新しい並列構成装置CSSPの初期結果を報告する。並列コイル配置により、プラズマと壁との接触が大幅に低減され、不純物含有量が減少した。閉じ込め時間1×10^1〜3×10^1μs、密度3×10^21 m^-3、温度3〜20eVの配位が典型的である。形成、エネルギー収支、非破壊的傾斜不安定性、および磁気テアリングに関連するダイナミクスについての結果が提示される。

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Field-Reversed Configuration
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